How can hemp fiber breath

The cross section of it always contains an irregular triangle, polygon and so on, and its molecular structure is prismatic, which is looser, and has a spiral line grain on it. Therefore hemp fiber's features enable its products to have a counteracting effect to light waves and sound waves. According to the tests by Physics branch of the Chinese Academy of Sciences, the common hemp fabric shields more than 95% ultraviolet rays without any extra treatment.

Hemp anti-uv ray

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